Question in the region of period and sex??

Is there any time where on earth your like...infertile i guess and you can own sex without protection?
Would this be in the past or after your period, and how long for? There is a method call the calendar method, but it is not 100% effective. You are the most fertile after you ovulate for around 2 days, however ovulation can turn out anytime throughout the month (but usually two weeks before your subsequent period). The reason it can materialize anytime is that stress can cause you to ovulate twice contained by a month. You need to get the drift how your body works and it's cycles to correctly predict when you are ovulating. This is plotted on a chart in conjunction beside your temperature. If your vaginal fluid is stringy next you are at your most fertile. But seek professional proposal.
Alway use a condon though - it protects from pregnancy and STD's.
there's no such time, theres always a casual